function sa_open(link)
{
    var nonwin = navigator.appName!='Microsoft Internet Explorer'?'yes':'no';
    var height = screen.availHeight - 90;
    var features = 'location='+nonwin+',scrollbars=yes,width=620,height='+height+',menubar=no,toolbar=no';
    window.open(link.href, 'shopperapproved', features);
    return false;
}

function sa_over(image) {}
function sa_out(image) {}

//Cache 1 hour max
var seals = document.getElementsByTagName('img');
if (seals.length > 0)
{
    var last = seals[seals.length-1];
    var d = new Date();
    var refresh = Math.floor(d.getTime() / 3600000);
    last.src += '?refresh=' + refresh;
}